About a dozen people sit on blankets on a stretch of grass outside the barbed-wire fences that surround the Northwest ICE Processing Center in Tacoma.They snack on chips and soda and share stories in a mix of Lao and English, talking about how dark their skin gets with the sun, family affairs, and the occasional story that generates some laughs. Mt. Rainier is visible in the distance.They are hoping for the release of Ky Sengdara, a friend, uncl…